// JavaScript Document
function checkForm(language) {
	var formitem = document.getElementById('checkfields').value.split('#');
	for (var x = 0; x < formitem.length; x++) {
		var formproperties = formitem[x].split('|');
		var formfield = formproperties[0];
		var fieldname = formproperties[1];
		var validate = parseInt(formproperties[2]);
		var compulsary = parseInt(formproperties[3]);
		var a = trim(document.getElementById(formfield).value);
		document.getElementById(formfield).value = a;
		if (compulsary == 1) {
			if (document.getElementById(formfield).value == '') {
				if (language == 1) alert('Verplicht veld : ' + fieldname);
				if (language == 2) alert('Required veld : ' + fieldname);
				document.getElementById(formfield).focus();
				return false;
			}
		}
		if (validate == 1) {
			if (emailCheck(formfield, compulsary) == false) {
				if (language == 1) alert('Ongeldig e-mailadres');
				if (language == 2) alert('Invalid emailaddress');
				document.getElementById(formfield).focus();
				return false;
			}
		}
	}
	return;
}

function emailCheck(formfield, compulsary) {
	var emailStr = document.getElementById(formfield).value
	if (compulsary == 0 && emailStr == '') return true;
	var checkTLD=1;
	var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;
	var emailPat=/^(.+)@(.+)$/;
	var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";
	var validChars="\[^\\s" + specialChars + "\]";
	var quotedUser="(\"[^\"]*\")";
	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
	var atom=validChars + '+';
	var word="(" + atom + "|" + quotedUser + ")";
	var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
	var matchArray=emailStr.match(emailPat);
	if (matchArray==null) return false;
	var user=matchArray[1];
	var domain=matchArray[2];
	for (i = 0; i < user.length; i++) {
		if (user.charCodeAt(i) > 127) return false;
	}
	for (i=0; i<domain.length; i++) {
		if (domain.charCodeAt(i) > 127) return false;
	}
	if (user.match(userPat)==null) return false;
	var IPArray=domain.match(ipDomainPat);
	if (IPArray!=null) {
		for (var i = 1;i <= 4; i++) {
			if (IPArray[i] > 255) return false;
		}
		return true;
	}
	var atomPat=new RegExp("^" + atom + "$");
	var domArr=domain.split(".");
	var len=domArr.length;
	for (i = 0; i < len; i++) {
		if (domArr[i].search(atomPat) == -1) return false;
	}
	if (checkTLD && domArr[domArr.length-1].length!=2 && domArr[domArr.length-1].search(knownDomsPat)==-1) return false;
	if (len < 2) return false;
	return true;
}

function trim(strValue) {
	if (strValue.length < 1) return '';
	strValue = rTrim(strValue);
	strValue = lTrim(strValue);
	return strValue;
}

function rTrim(strValue) {
	var w_space = String.fromCharCode(32);
	var v_length = strValue.length;
	var strTemp = '';
	if (v_length < 0) return '';
	var iTemp = v_length - 1;
	while(iTemp > -1) {
		if (strValue.charAt(iTemp) != w_space) {
			strTemp = strValue.substring(0, iTemp + 1);
			break;
		}
		iTemp = iTemp - 1;
	}
	return strTemp;
}

function lTrim(strValue) {
	var w_space = String.fromCharCode(32);
	if (v_length < 1) return '';
	var v_length = strValue.length;
	var strTemp = '';
	var iTemp = 0;
	while (iTemp < v_length) {
		if (strValue.charAt(iTemp) != w_space) {
			strTemp = strValue.substring(iTemp, v_length);
			break;
		}
		iTemp = iTemp + 1;
	}
	return strTemp;
}